ViewSonic VX800-3 Service Manual - Page 10

H.SYNC, V.SYNC, 3.4.2 Digital TMDS DVI-D Connector, D connector pin assignment

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12 SDA 13 H.SYNC 14 V.SYNC 15 SCL 5 1 10 6 15 11 2.3.4.2 Digital TMDS DVI-D Connector DVI-D connector pin assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Signal Name RX2RX2+ GND Reserved 4 Reserved 5 DDC-CLK DDC-DAT Reserved 8 RX1RX1+ GND Reserved 12 Reserved 13 VCCX GND SENS RX0RX0+ GND Reserved 20 Reserved 21 GND RXC+ RXC- Description TMDS negative differential input, channel 2 TMDS positive differential input, channel 2 Logic Ground Reserved. No connection Reserved. No connection DDC2B Clock DDC2B Data Reserved. No connection TMDS negative differential input, channel 1 TMDS positive differential input, channel 1 Logic Ground Reserved. No connection Reserved. No connection Power Logic Ground SENSE Pin, Pull High TMDS negative differential input, channel 0 TMDS positive differential input, channel 0 Logic Ground Reserved. No connection Reserved. No connection Logic Ground TMDS positive differential input, reference clock TMDS negative differential input, reference clock ViewSonic Corporation 6! Confidential - Do Not Copy VX800-3

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12
SDA
13
H.SYNC
14
V.SYNC
15
SCL
15
10
5
1
6
11
2.3.4.2 Digital TMDS DVI-D Connector
DVI
-D connector pin assignment
Pin No.
Signal Name
Description
1
RX2-
TMDS negative differential input, channel 2
2
RX2+
TMDS positive differential input, channel 2
3
GND
Logic Ground
4
Reserved 4
Reserved. No connection
5
Reserved 5
Reserved. No connection
6
DDC-CLK
DDC2B Clock
7
DDC-DAT
DDC2B Data
8
Reserved 8
Reserved. No connection
9
RX1-
TMDS negative differential input, channel 1
10
RX1+
TMDS positive differential input, channel 1
11
GND
Logic Ground
12
Reserved 12
Reserved. No connection
13
Reserved 13
Reserved. No connection
14
VCCX
Power
15
GND
Logic Ground
16
SENS
SENSE Pin, Pull High
17
RX0-
TMDS negative differential input, channel 0
18
RX0+
TMDS positive differential input, channel 0
19
GND
Logic Ground
20
Reserved 20
Reserved. No connection
21
Reserved 21
Reserved. No connection
22
GND
Logic Ground
23
RXC+
TMDS positive differential input, reference clock
ViewSonic Corporation
Confidential – Do Not Copy
VX
8
00-3
24
RXC-
TMDS negative differential input, reference
clock